The Red Line Oil Engine Oil Break-In Additive is a 16 oz bottle designed for universal use in both conventional and synthetic oils. This additive is packed with over 2200 ppm of Zn & K for antiwear properties, and has been reformulated for improved frictional properties. It helps lower oil temperature, improve cleanliness, and offers protection at startup. Made in the United States, this additive is a direct replacement with a pack of 1 included. Shipping is free anywhere in cont. 48 states
